Physics · Wave Mechanics
Why are soldiers marching in formation instructed to break step when crossing a suspension bridge?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To eliminate the friction produced by uniform stepping
- 2To avoid structural failure caused by acoustic resonance✓
- 3To prevent excessive static pressure on the bridge structures
- 4To avoid risk of collapse due to the Doppler effect
Correct answer
To avoid structural failure caused by acoustic resonance
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